Finding the Fourth Proportional to 566,486.63, 781,761.50 and 308,370.99
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Solution
The fourth proportional to 566,486.63, 781,761.50 and 308,370.99 is: 425,557.38
Step by Step Solution
- Step 1: Write the proportion equation
566,486.63 : 781,761.50 = 308,370.99 : x - Step 2: Convert to fraction form
566,486.63/781,761.50 = 308,370.99/x - Step 3: Cross multiply
566,486.63x = 781,761.50 × 308,370.99 - Step 4: Simplify right side
566,486.63x = 241,072,567,698.89 - Step 5: Solve for x
x = 241,072,567,698.89/566,486.63 - Step 6: Final answer
x = 425,557.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.